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<p>This is a part of the rsyslog.conf documentation.</p>
<a href="rsyslog_conf.html">Back to rsyslog.conf manual</a>
<h1>Modules</h1>
<p>Rsyslog has a modular design. This enables functionality to be
dynamically loaded from modules, which may also be written by any
third party. Rsyslog itself offers all non-core functionality as
modules. Consequently, there is a growing
number of modules. Here is the entry point to their documentation and
what they do (list is currently not complete)</p>
<p>Please note that each module provides configuration
directives, which are NOT necessarily being listed below. Also
remember, that a modules configuration directive (and functionality) is
only available if it has been loaded (using $ModLoad).</p>
<p>It is relatively easy to write a rsyslog module. <b>If none of the provided
modules solve your need, you may consider writing one or have one written
for you by
<a href="http://www.rsyslog.com/professional-services">Adiscon's professional services for rsyslog</a>
</b>(this often is a very cost-effective and efficient way of getting what you need).

<h2>Input Modules</h2>
<p>Input modules are used to gather messages from various sources. They interface
to message generators.
<ul>
<li><a href="imfile.html">imfile</a> -&nbsp; input module for text files</li>
<li><a href="imrelp.html">imrelp</a> - RELP input module</li>
<li>imudp - udp syslog message input</li>
<li><a href="imtcp.html">imtcp</a> - input plugin for plain tcp syslog</li>
<li><a href="imgssapi.html">imgssapi</a> - input plugin for plain tcp and GSS-enabled syslog</li>
<li>immark - support for mark messages</li>
<li><a href="imklog.html">imklog</a> - kernel logging</li>
<li><a href="imuxsock.html">imuxsock</a> - unix sockets, including the system log socket</li>
<li><a href="im3195.html">im3195</a> - accepts syslog messages via RFC 3195</li>
</ul>

<h2>Output Modules</h2>
<p>Output modules process messages. With them, message formats can be transformed
and messages be transmitted to various different targets.
<ul>
<li><a href="omsnmp.html">omsnmp</a> - SNMP trap output module</li>
<li><a href="omstdout.html">omtdout</a> - stdout output module (mainly a test tool)</li>
<li><a href="omrelp.html">omrelp</a> - RELP output module</li>
<li>omgssapi - output module for GSS-enabled syslog</li>
<li><a href="ommysql.html">ommysql</a> - output module for MySQL</li>
<li>ompgsql - output module for PostgreSQL</li>
<li><a href="omlibdbi.html">omlibdbi</a> -
generic database output module (Firebird/Interbase, MS SQL, Sybase,
SQLLite, Ingres, Oracle, mSQL)</li>
<li><a href="ommail.html">ommail</a> -
permits rsyslog to alert folks by mail if something important happens</li>
<li><a href="omoracle.html">omoracle</a> - output module for Oracle (native OCI interface)</li>
</ul>

<h2>Library Modules</h2>
<p>Library modules provide dynamically loadable functionality for parts of rsyslog,
most often for other loadable modules. They can not be user-configured and are loaded
automatically by some components. They are just mentioned so that error messages that
point to library moduls can be understood. No module list is provided.

<p>[<a href="manual.html">manual index</a>]
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<p><font size="2">This documentation is part of the
<a href="http://www.rsyslog.com/">rsyslog</a> project.<br>
Copyright &copy; 2008, 2009 by <a href="http://www.gerhards.net/rainer">Rainer Gerhards</a> and
<a href="http://www.adiscon.com/">Adiscon</a>. Released under the GNU GPL
version 3 or higher.</font></p>
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